Park Tool SW-40 Four-Sided Spoke Wrench E1 metalworking ability and mechanical skill

metalworking ability and mechanical skill are all equally showcased in these beautifully built cassettes

such as high-speed descents

deep coverage on the sides for stronger protection and the Lazer TurnSys system for an easy to adjust fit on the go

The design team nailed it and capped it off with a clean aesthetic

and once it gets a little stinky

Park Tool SW-40 Four-Sided Spoke Wrench E1 metalworking ability and mechanical skillThe Park Tool SW 40 uses the same world famous design and high quality materials as our three sided spoke wrenches, with a unique four sided wrench design for extra strength and support to help prevent slipping and deformation of nipples. Each SW 40 is made in the USA, and is heat treated and nickel plated for long service. Park Tool spoke wrenches are vinyl dipped to indicate the size at a glance. Features Sized for spoke nipples with 3. 23 mm (0.